Tuesday 28 February 2017

Phosphoric acid specifications




 PHOSPHORIC ACID


DESCRIPTION: It is a clear, colourless, odour less viscous liquid
SPECIFICATIONS:

Sr.No
Parameters
Requirements

1.
Purity (as H3PO4)Percent by mass, min
85

2.
P2O5 content percent by mass, min
61

3.
Iron (ppm), max.
300

4.
Fluoride mg/kg. max
10

5.
Total heavy metals (as pb) mg/kg.max
10

6.
Lead, mg/kg. max
05

7.
Arsenic (as As) mg/kg max.
03

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